# Events & Seminars

# Nishant Chandgotia (HUJI)

# Dmitry Dolgopyat (Maryland)

# Dvoretzky Lectures: Systems of points with Coulomb interactions

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# Dvoretzky Lectures: Mean Field Limits for Coulomb Dynamics

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# Logic Seminar - Christian d'Elbée

## Location:

**Christian d'Elbée**will speak about generic generic abelian varieties.

**Generic**

**generic**

**abelian varieties.**

__Abstract:__

I will present work in progress in a new NSOP1 nonsimple theory: the expansion of an abelian variety by a generic subgroup, under some conditions on the endomorphism ring.

# Game Theory Seminar: Naftali Tishby "Information Theory of Deep Learning"

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In the past several years we have developed a comprehensive theory of large scale learning with Deep Neural Networks (DNN), when optimized with Stochastic Gradient Decent (SGD). Read more about Game Theory Seminar: Naftali Tishby "Information Theory of Deep Learning"

# NT Seminar - Uriya First

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Title: The Grothendieck--Serre conjecture for classical groups in low dimensions

Abstract:

A famous conjecture of Grothendieck and Serre predicts that if G is a reductive group scheme over a semilocal regular domain R and X is a G-torsor, then X has a point over the fraction field of R if and only if it has an R-point. Many instances of the conjecture have been established over the years. Most notably, Panin and Fedorov--Panin proved the conjecture when R contains a field.

# Eran Milo

# Basic Notions: Jake Solomon "Enumerative geometry over an arbitrary field"

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# Logic Seminar - Tingxiang Zou

## Location:

**Tingxiang Zou**will speak about:

**Pseudofinite difference fields**

# Basic Notions: Eran Nevo (HUJI) "Algebraic Combinatorics a la Stanley".

## Location:

The basic idea is to associate with a combinatorial object Xan algebraic structure A(X), and derive from algebraic properties of A(X)combinatorial consequences for X. For example, Stanley's proof of the UpperBound Theorem for simplicial spheres uses the Cohen-Macaulay property of theface ring associated with a simplicial complex.

We will review the basics of Stanley's theory, illustrate themon examples, and time permitting, discuss more recent advances of this theory.

(All needed terms and background will be given in thetalk.)